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Terms in this set (19)
Does active transport require energy?
Yes
What is the charge of the inside of the cell?
Ions move into and out of cells and because cells contain proteins that do not move across the membrane and are mostly negatively charged.
What's the main difference between primary active transport and secondary active transport?
-Primary is directly relied on by ATP, while secondary does not directly require ATP.
How does the sodium potassium pump work?
Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are imported into the cell.
What is a uniporter?
It moves molecules one at a time.
Do symporters carry ions in the same direction or opposite directions?
The same direction
What type of carrier protein is used in coupled/co- transport?
Symporter
In what direction do molecules move in active transport?
From low to high
Draw an antiporter
Which branch of active transport relies directly on ATP?
Primary Transport
What captures the energy from NA+ diffusion to move glucose against the concentration gradient?
Sodium-Glucose Symporter
What are the 3 carrier proteins associated with active transport?
Uniporters, Symporters, Antiporter
When cells take in a liquid through active transport, what is it called?
Pinocytosis
When cells take in large particles through active transport, what is it called?
Phagocytosis
When cells form a vesicle to take in materials, which form of transport is occurring?
Endocytosis
Does secondary active transport require ATP?
Not directly
Movement of particles through the cell membrane from high to low?
Diffusion
Is the sodium potassium pump an antiporter, symporter, or uniporter?
Antiporter
Is the sodium potassium pump a primary or secondary active transport?
Primary
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